Solve for the requested variable.Your company uses the quadratic model y = -11x2 + 350x to represent how many units (y) of a new product will be sold (x) weeks after its release. How many units can you expect to sell in week 15?
A. 5085 units
B. 7725 units
C. 5415 units
D. 2775 units
Answer: D
Mathematics
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Identify the specified numbers.The imaginary numbers in the following list:
, 9, 
, -6.8, -0.22, 
, 
, 
A. 
, 
, 
B. 
, 9, 
, -6.8, -0.22, 
, 
, 
C. 
, 
, 
D. 
, 
, 
, 
, 
Mathematics
Solve.logx (log2 8) = 2
A. 3
B. ± 3
C. ± 2
D. ± 
Mathematics
Solve the equation. Use the multiplication axiom.9a = -81
A. {90} B. {-90} C. {1} D. {-9}
Mathematics
Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 0.03 B. x = 17 C. x = 8.5 D. x = 34
Mathematics